*{
	padding: 0;
	margin: 0;
}
body{
	background-color: #000;
}
.global{
	position: absolute;
	background-color:#fff;
	width: 820px;
	height: 680px;
	top: 50%;
	left: 50%;
	margin: -340px -410px;
	box-shadow:2px -1px 0px #979797;
}
.graycenter{
	background-color: #ccc;
	height: 200px;
	width: 400px;
	position: absolute;
	top: 50%;
	left: 50%;
	margin: -100px -200px;
}
.yellow{
	background-color:#FC0;
	height:50px;
	width: 50px;
}
.yellow_left{
	border-radius: 0 0 50px 0;
	position: absolute;
	bottom: 100%;
	right: 100%;
	margin: -50px -50px;
}
.yellow_right{
	position: absolute;	
	left: 100%;
	top: 100%;
	margin: 100px 0 0 0;
	float: right;
	border-radius: 50px 0 0 0;
	margin: -50px -50px;
}
